Observation of two 𝓟𝓣 transitions in an electric circuit with balanced gain and loss Tishuo Wang, Jianxiong Fang, Zhongyi Xie, Nenghao Dong, Yogesh N. Joglekar, Zixin Wang, Jiaming Li and Le Luo Eur. Phys. J. D, 74 8 (2020) 167 Published online: 04 August 2020 DOI: 10.1140/epjd/e2020-10131-7